Blackfin arch: As Mike pointed out range goes form m..MAX_BLACKFIN_GPIO -1

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 3f49fae1cb1f686802a02055e1da2be85b03a4ff..8cefed8cf5d9d771d470674b48ed77132db1f2e5 100644 (file)
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -138,7 +138,7 @@ static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG0_INT
 
 inline int check_gpio(unsigned short gpio)
 {
-       if (gpio > MAX_BLACKFIN_GPIOS)
+       if (gpio >= MAX_BLACKFIN_GPIOS)
                return -EINVAL;
        return 0;
 }